Download FlexDSL ORION 2(+)

User Manual
3.5
LTU Orion 2
Management of FlexDSL Orion 2 devices
The equipment has integrated functions of management and diagnostics. FlexDSL Orion 2
devices can be connected to the terminal by using the RS232 interface or to a PC with the
VT100 terminal. In addition, devices can be connected to a PC network card or the Ethernet
network, to which the computer is attached. In this case, the Telnet session is used to manage
the equipment, the WEB interface being used to display the statistics.
The management and diagnostics functions allow one to configure devices and to receive
additional information, such as parameters of an xDSL link quality or G.826.
3.5.1
Management of FlexDSL Orion 2 with the RS232 interface
The rear panel of the FlexGain shelf contains the TTL management bus which is organized
according to the “point / multipoint” scheme. The TTL-RS232 converter and a terminal
connector are on the rear panel of the shelf. If the ACU / TCU unit is used, the management
connector is on the front panel of this device.
At any one time only one device in the shelf can be logically connected to the management
interface.
The device is chosen in accordance with the slot number, in which it is mounted. To select the
necessary device, input <%SN↵>, where SN is the slot number.
Example: to select the unit, mounted in slot 3, type:
%03↵.
The unit in the shelf displays %SN after the ECHO command is entered, where SN is the slot
number.
After typing “ECHO”, the operator will receive a response from LTU devices, as it is shown
below:
ECHO↵
01 02 08 10 11 12
3.5.2
Management of FlexDSL Orion 2 devices with Ethernet interfaces
3.5.2.1 Telnet
The front panel of FlexDSL Orion 2 devices contains the Ethernet connector. The local network
containing the management computer (or the PC itself) can be connected to this connector.
Management is performed by using the Telnet session activated by a standard command:
telnet <IP-address>
in Windows 95 or above. (Any other program can be used to open the Telnet session if it
supports this protocol.)
The TELNET session is used to configure modems remotely as well as other devices connected
to the MONITOR bus of the same FlexGain shelf to which the modem is connected.
After opening the TELNET session, the user authentication is performed. Two types of users
are used: “admin” users, who can change configurations and “user” users who can only view
parameters and statistics. Initially passwords are empty; authentication in this case is not
performed and users automatically have the administrator rights. Only “admin” users can set
passwords for both types of users.
If authentication is successful, the modem main menu is displayed. If authentication fails, it is
repeated up to three times, and after it the connection breaks.
For SubRack devices at any time except for the moment when the password is entered in the
Telnet session, the command for choosing devices to manage %NNN is available (NNN are
digits and symbols of the Latin alphabet in the range from 0 to 80). This command is used to
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